/** * Copyright 2014 IBM Corp. * * Licensed under the Apache License, Version 2.0 (the "License"); * you may not use this file except in compliance with the License. * You may obtain a copy of the License at * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an "AS IS" BASIS, * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. * See the License for the specific language governing permissions and * limitations under the License. **/ var should = require("should"); var sinon = require("sinon"); var path = require("path"); var fs = require('fs-extra'); var htmlNode = require("../../../../nodes/core/parsers/70-HTML.js"); var helper = require("../../helper.js"); describe('html node', function() { var resourcesDir = __dirname+ path.sep + ".." + path.sep + ".." + path.sep + ".." + path.sep + "resources" + path.sep; var file = path.join(resourcesDir, "70-HTML-test-file.html"); before(function(done) { helper.startServer(done); }); beforeEach(function() { fs.existsSync(file).should.be.true(); }); afterEach(function() { helper.unload(); }); it('should be loaded', function(done) { var flow = [{id:"htmlNode1", type:"html", name: "htmlNode" }]; helper.load(htmlNode, flow, function() { var htmlNode1 = helper.getNode("htmlNode1"); htmlNode1.should.have.property('name', 'htmlNode'); done(); }); }); it('should retrieve header contents if asked to by msg.select', function(done) { fs.readFile(file, 'utf8', function(err, data) { var flow = [{id:"n1",type:"html",wires:[["n2"]],func:"return msg;"}, {id:"n2", type:"helper"}]; helper.load(htmlNode, flow, function() { var n1 = helper.getNode("n1"); var n2 = helper.getNode("n2"); n2.on("input", function(msg) { msg.should.have.property('topic', 'bar'); should.equal(msg.payload, 'This is a test page for node 70-HTML'); done(); }); n1.receive({payload:data,topic:"bar",select:"h1"}); }); }); }); it('should retrieve paragraph contents when specified', function(done) { fs.readFile(file, 'utf8', function(err, data) { var flow = [{id:"n1",type:"html",wires:[["n2"]],ret:"text",tag:"p"}, {id:"n2", type:"helper"}]; helper.load(htmlNode, flow, function() { var n1 = helper.getNode("n1"); var n2 = helper.getNode("n2"); n2.on("input", function(msg) { msg.should.have.property('topic', 'bar'); should.equal(msg.payload, 'There\'s nothing to read here.'); done(); }); n1.receive({payload:data,topic: "bar"}); }); }); }); it('should retrieve list contents as an array of html as default', function(done) { fs.readFile(file, 'utf8', function(err, data) { var flow = [{id:"n1",type:"html",wires:[["n2"]],tag:"ol"}, {id:"n2", type:"helper"}]; helper.load(htmlNode, flow, function() { var n1 = helper.getNode("n1"); var n2 = helper.getNode("n2"); n2.on("input", function(msg) { msg.should.have.property('topic', 'bar'); msg.payload[0].indexOf("<li>Blue</li>").should.be.above(-1); msg.payload[0].indexOf("<li>Red</li>").should.be.above(-1); done(); }); n1.receive({payload:data,topic: "bar"}); }); }); }); it('should retrieve list contents as an array of text', function(done) { fs.readFile(file, 'utf8', function(err, data) { var flow = [{id:"n1",type:"html",wires:[["n2"]],tag:"ol",ret:"text"}, {id:"n2", type:"helper"}]; helper.load(htmlNode, flow, function() { var n1 = helper.getNode("n1"); var n2 = helper.getNode("n2"); n2.on("input", function(msg) { msg.should.have.property('topic', 'bar'); msg.payload[0].indexOf("Blue").should.be.above(-1); msg.payload[0].indexOf("Red").should.be.above(-1); done(); }); n1.receive({payload:data,topic: "bar"}); }); }); }); it('should fix up a unclosed tag', function(done) { fs.readFile(file, 'utf8', function(err, data) { var flow = [{id:"n1",type:"html",wires:[["n2"]],tag:"span"}, {id:"n2", type:"helper"}]; helper.load(htmlNode, flow, function() { var n1 = helper.getNode("n1"); var n2 = helper.getNode("n2"); n2.on("input", function(msg) { msg.should.have.property('topic', 'bar'); should.equal(msg.payload, '<img src="foo.png"/>'); done(); }); n1.receive({payload:data,topic: "bar"}); }); }); }); it('should retrive an attribute from a tag', function(done) { fs.readFile(file, 'utf8', function(err, data) { var flow = [{id:"n1",type:"html",wires:[["n2"]],ret:"attr",tag:"span img"}, {id:"n2", type:"helper"}]; helper.load(htmlNode, flow, function() { var n1 = helper.getNode("n1"); var n2 = helper.getNode("n2"); n2.on("input", function(msg) { msg.should.have.property('payload'); msg.payload[0].should.have.property('src','foo.png'); msg.should.have.property('topic', 'bar'); done(); }); n1.receive({payload:data,topic: "bar"}); }); }); }); it('should log on error', function(done) { fs.readFile(file,function(err, data) { var flow = [{id:"n1",type:"html",wires:[["n2"]],tag:"p"}, {id:"n2", type:"helper"}]; helper.load(htmlNode, flow, function() { try { var n1 = helper.getNode("n1"); var n2 = helper.getNode("n2"); n1.receive({payload:null,topic: "bar"}); helper.log().called.should.be.true(); var logEvents = helper.log().args.filter(function(evt) { return evt[0].type == "html"; }); logEvents.should.have.length(1); // Each logEvent is the array of args passed to the function. logEvents[0][0].should.have.a.property('msg'); logEvents[0][0].should.have.a.property('level',helper.log().ERROR); done(); } catch(err) { done(err); } }); }); }); it('should pass through if payload empty', function(done) { fs.readFile(file, 'utf8', function(err, data) { var flow = [{id:"n1",type:"html",wires:[["n2"]],func:"return msg;"}, {id:"n2", type:"helper"}]; helper.load(htmlNode, flow, function() { var n1 = helper.getNode("n1"); var n2 = helper.getNode("n2"); n2.on("input", function(msg) { msg.should.have.property('topic', 'bar'); msg.should.not.have.property('payload'); done(); }); n1.receive({topic: "bar"}); }); }); }); describe('multiple messages', function(){ var cnt = 0; afterEach(function() { cnt.should.be.exactly(2); cnt = 0; }); it('should retrieve list contents as html as default with output as multiple msgs ', function(done) { fs.readFile(file, 'utf8', function(err, data) { var flow = [{id:"n1",type:"html",wires:[["n2"]],tag:"ul",as:"multi"}, {id:"n2", type:"helper"}]; helper.load(htmlNode, flow, function() { var n1 = helper.getNode("n1"); var n2 = helper.getNode("n2"); n2.on("input", function(msg) { cnt++; msg.should.have.property('topic', 'bar'); if (cnt !== 1 && cnt !== 2) { return false; } if (cnt === 1) { msg.payload.indexOf("<li>Apple</li>").should.be.above(-1); msg.payload.indexOf("<li>Pear</li>").should.be.above(-1); } else if (cnt === 2) { msg.payload.indexOf("<li>Potato</li>").should.be.above(-1); msg.payload.indexOf("<li>Parsnip</li>").should.be.above(-1); done(); } }); n1.receive({payload:data,topic: "bar"}); }); }); }); it('should retrieve list contents as text with output as multiple msgs ', function(done) { fs.readFile(file, 'utf8', function(err, data) { var flow = [{id:"n1",type:"html",wires:[["n2"]],tag:"ul",ret:"text",as:"multi"}, {id:"n2", type:"helper"}]; helper.load(htmlNode, flow, function() { var n1 = helper.getNode("n1"); var n2 = helper.getNode("n2"); n2.on("input", function(msg) { cnt++; msg.should.have.property('topic', 'bar'); if (cnt !== 1 && cnt !== 2) { return false; } if (cnt === 1) { msg.payload.indexOf("Apple").should.be.above(-1); msg.payload.indexOf("Pear").should.be.above(-1); } else if (cnt === 2) { msg.payload.indexOf("Potato").should.be.above(-1); msg.payload.indexOf("Parsnip").should.be.above(-1); done(); } }); n1.receive({payload:data,topic: "bar"}); }); }); }); it('should retrieve an attribute from a tag', function(done) { fs.readFile(file, 'utf8', function(err, data) { var flow = [{id:"n1",type:"html",wires:[["n2"]],ret:"attr",tag:"span img",as:"multi"}, {id:"n2", type:"helper"}]; helper.load(htmlNode, flow, function() { var n1 = helper.getNode("n1"); var n2 = helper.getNode("n2"); n2.on("input", function(msg) { msg.should.have.property('payload'); msg.payload.should.have.property('src','foo.png'); msg.should.have.property('topic', 'bar'); cnt = 2; // frig the answer as only one img tag done(); }); n1.receive({payload:data,topic: "bar"}); }); }); }); }); });